geany-plugins: Switch to using libsoup 3.0

libsoup-2.4 is being removed and its preferred to use libsoup 3.0

Signed-off-by: Khem Raj <raj.khem@gmail.com>

meta-oe/recipes-devtools/geany/geany-plugins_2.0.bb

@@ -15,7 +15,7 @@ DEPENDS = " \
     fribidi \
     geany \
     libxml2 \
-    libsoup-2.4 \
+    libsoup \
     enchant2 \
     intltool-native \
     libassuan \